144454340 has 48 divisors (see below), whose sum is σ = 322694400. Its totient is φ = 54162432.

The previous prime is 144454319. The next prime is 144454351. The reversal of 144454340 is 43454441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34901 + ... + 38819.

It is an arithmetic number, because the mean of its divisors is an integer number (6722800).

Almost surely, 2^144454340 is an apocalyptic number.

144454340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144454340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161347200).

144454340 is an abundant number, since it is smaller than the sum of its proper divisors (178240060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144454340 is a wasteful number, since it uses less digits than its factorization.

144454340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044 (or 4042 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 144454340 is about 12018.9159244917. The cubic root of 144454340 is about 524.6989536348.

The spelling of 144454340 in words is "one hundred forty-four million, four hundred fifty-four thousand, three hundred forty".